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US Patent: 2,064X
Boring guns and pistols with twisted screw auger
Patentee:
Daniel Pettibone (exact or similar names) - Philadelphia, PA

USPTO Classifications:
74/840

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 12, 1814

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Description:
The patent drawing was restored after the fire; a copy of the specification surfaced much more recently and a scan is now available from the USPTO website.

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